Google Analytics, which is used on millions of sites worldwide to show web publishers who is visiting their sites, today published its first report on Web traffic. Among other interesting tidbits was the above chart showing Windows losing a staggering 5.1% of its market year over year.

At the same time, the Mac OS actually gained almost a percentage point of the market. But the groundswell was in the “Other” category which includes iPads, iPhones, Android and other non-Mac/Windows/Linux machines. That category was up almost 5 %.

The “Post PC Era” seems to be fast approaching.

Google conveniently also found a 1% gain in Search Engine referral traffic, below: